Flight Status & Tracker

UAL1931

UNITED AIRLINES INC · HAF → SFO · Last tracked Oct 17, 2026

UAL1931 is a flight number operated by UNITED AIRLINES INC between Half Moon Bay Airport (KHAF) and San Francisco International Airport (KSFO). SkyMeter last tracked UAL1931 on October 16, 2026. The flight is most often flown by a BOEING Boeing 737-800. Typical block time is 2h 50m. SkyMeter has observed 72 legs of this flight number via ADS-B.

SkyMeter tracks historical flight activity from ADS-B data — this is not a live gate-to-gate status feed.

✈
FLIGHTS
72
last 90 days
⏱
AVG DURATION
2h 50m
tracked time
📅
SERVICE PERIOD
5/27/2025 → 10/17/2026
first → last seen
🗺
ROUTES / TYPES
3 / 3
city pairs · airframes
⚠
INCIDENT RATE
1.4%
1 flagged

Routes flown

By count · last 90 days

2
KHAF → KSFO
3
avg 7h 26m · Half Moon Bay → San Francisco
KDEN → KSFO
3
avg 7h 8m · Denver → San Francisco

Aircraft types

Equipment used on this number

3
B738 BOEING Boeing 737-800
77
B38M BOEING Boeing 737 MAX 8
1
B39M BOEING Boeing 737 MAX 9
1

Safety profile

Flagged flights · last 90 days

Go-arounds
1
Unstable approach
0
Rejected TO
0
Stall warnings
0
Overspeeds
0
Runway excursion
0
Counts represent flights with at least one occurrence of each flag, not the total event count. See /incidents for individual events.

Recent flights

Newest 30 operations of UAL1931

30
N14214BOEING Boeing 737-800
→
10/17/2026
1h 39m
No alerts
Replay Analysis
N78540BOEING Boeing 737-800
→
10/16/2026
1h 48m
No alerts
Replay Analysis
N78511BOEING Boeing 737-800
→
10/12/2026
1h 31m
No alerts
Replay Analysis
N27239BOEING Boeing 737-800
→
10/10/2026
7h 15m
No alerts
Replay Analysis
N37253BOEING Boeing 737-800
→
10/8/2026
1h 38m
No alerts
Replay Analysis
N76533BOEING Boeing 737-800
→
10/7/2026
1h 30m
No alerts
Replay Analysis
N76529BOEING Boeing 737-800
→
10/6/2026
7h 2m
No alerts
Replay Analysis
N76523BOEING Boeing 737-800
→
10/5/2026
1h 31m
No alerts
Replay Analysis
N73276BOEING Boeing 737-800
→
10/5/2026
12m
No alerts
Replay Analysis
N73276BOEING Boeing 737-800
→
10/5/2026
1h 32m
No alerts
Replay Analysis
N73276BOEING Boeing 737-800
→
10/5/2026
1h 19m
No alerts
Replay Analysis
N37252BOEING Boeing 737-800
→
10/3/2026
7h 7m
No alerts
Replay Analysis
N87531BOEING Boeing 737-800
→
10/1/2026
2h 20m
No alerts
Replay Analysis
N87513BOEING Boeing 737-800
→
9/30/2026
7h 21m
No alerts
Replay Analysis
N39297BOEING Boeing 737-800
→
9/29/2026
7h 6m
No alerts
Replay Analysis
N76516BOEING Boeing 737-800
→
9/28/2026
1h 45m
No alerts
Replay Analysis
N35260BOEING Boeing 737-800
→
9/27/2026
1h 34m
No alerts
Replay Analysis
N77536BOEING Boeing 737-800
→
9/25/2026
1h 58m
↻ Go-around
Replay Analysis
N37537BOEING Boeing 737 MAX 9
→
9/24/2026
1h 42m
No alerts
Replay Analysis
N77530BOEING Boeing 737-800
→
9/23/2026
1h 28m
No alerts
Replay Analysis
N77295BOEING Boeing 737-800
→
9/21/2026
1h 39m
No alerts
Replay Analysis
N14242BOEING Boeing 737-800
→
9/20/2026
1h 30m
No alerts
Replay Analysis
N76517BOEING Boeing 737-800
→
9/19/2026
7h 8m
No alerts
Replay Analysis
N86534BOEING Boeing 737-800
→
9/18/2026
1h 42m
No alerts
Replay Analysis
N78506BOEING Boeing 737-800
→
9/17/2026
1h 41m
No alerts
Replay Analysis
N76502BOEING Boeing 737-800
→
9/16/2026
1h 34m
No alerts
Replay Analysis
N35260BOEING Boeing 737-800
→
9/14/2026
7h 33m
No alerts
Replay Analysis
N78506BOEING Boeing 737-800
→
9/13/2026
1h 36m
No alerts
Replay Analysis
N73270BOEING Boeing 737-800
→
9/12/2026
1h 33m
No alerts
Replay Analysis
N24212BOEING Boeing 737-800
→
9/12/2026
47m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window